Nasal dilator



FIG. 1 is a top plan view of a nasal dilator;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a rear side view thereof;

FIG. 5 is an end view thereof; and,

FIG. 6 is a side perspective view thereof, shown in use. The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a nasal dilator, as shown and described. 